def bubble_sort(nums):
    swapped=True
    while swapped:
        swapped=False:
        for i in range(len(nums)-1):
           if nums[i]> nums[i+1]:
                nums[i],nums[i+1]=nums[i+1],nums[i]
                    swapped=True
def readlist(filename):
    file=open(filename,"r")
    data=file.readlines()
    return data
